Satnodine AT is a brand name of Amlodipine Besylate Atenolol tablet which is an anti-hypertensive medication which is useful in treating hypertension (high-blood pressure). Hypertension is a chronic, long-term condition characterized by persistently elevated pressure of the blood against the walls of the arteries. Amlodipine Atenolol tablet reduces the workload on the heart and makes the heart more efficient at pumping blood throughout the body. It also blocks stress hormones such as adrenaline and epinephrine hence slow down the increased heart rate.